Bag Interior Size:16.1*11.8 inch;Exterior Size:16.3*13.2*5.5 inch Multi-functional compartments.Laptop compartment with strengthened shockproof foam padding to protect the 17 inch laptop.Accessary compartment with functional pockets inside for keeping power cord, mouse, books papers etc. Three front pockets design. left side pocket for storage of a phone; right side pocket for keeping an iPad mini or notebooks. Back pocket with two zippers. Provides the function of keeping items and fixing the bag to trolley of a luggage case. Convenint design. 1Versatile----Personalized good looking appearance, ideal fordaily use at school, work, weekend, outdoor holiday, outdoor activities, occasional travel, gyms, hiking, biking etc. Nice size admirably suits college students, teen girls boys and adults.